When the servo drive system is loaded, the current waveform follows very well, the current is saturated, and the speed waveform oscillates when it starts (there are two waveforms, one from 0 to 2000 r...
Are there any seniors who are familiar with Beidou chips and GPS chips who can recommend some relatively stable, low-power, and low-voltage Beidou chips and GPS chips?...
travis: Add BLE submodules to ESP32 IDF4 build.
esp32/boards: Enable BLE by default when building with IDF 4.x.
esp32: Implement BLE using Nimble from IDF 4.x....
The high-performance C6000 DSP architecture has 8 parallel functional units, 2 groups of registers, separate program and data storage; 256-bit instruction fetch package, which can fetch 8 32-bit instr...
1. Reasons for Zigbee reconnection(1) Zigbee disconnects due to poor signal quality caused by interference from various reasons.(2) The coordinator restarts.
2. Processing of Zigbee terminal reconnect...
[b][font=微软雅黑][size=5][url=https://www.st.com/content/st_com/zh/about/events/events.html/motor-control-roadshow-china-2018.html?ecmp=tt8151_cc_enews_sep2018]2018 STMicroelectronics Motor Control Roads...
1 Component Selection
The temperature sensor of this system can be a thermistor. In the measurement range of 10 to 30°C, the resistance of this device varies greatly with temperature, the circuit...[Details]
Lei Jun, founder, chairman and CEO of Xiaomi Group, posted a photo of the Xiaomi 12 Pro box. Lei Jun said that in order to maintain confidentiality, Xiaomi’s marketing department added 8 locks to the...[Details]
Can the voice recognition settings be deleted?
The speech recognition settings can be deleted.
The operation method of win7 system is as follows:
1. Click Start, then click Control P...[Details]
"Accelerate the construction of ubiquitous power Internet of Things" and "effectively reduce the burden and pressure on the grassroots frontline". At the beginning of this year, these two seemingly...[Details]
Analog
Circuit
Interface
In industry, voltage 0-5(10)V or current 0(4)-20mA is usually used as a method for analog signal transmission, which is also a method often used by programma...[Details]
This was the pre-COVID-19 electric vehicle scene a few years ago: Traditional automakers slowly transitioned to electric vehicles, produced just enough "compliance cars" to satisf...[Details]
1. Additional voltage.
External pressure is also called working voltage, which mainly depends on the insulation data used by the connecting machine, and the gap between the contacts is large. ...[Details]
This section discusses the physical meaning of the sinusoidal steady-state solution of the long-line equation. From equation (10-3-6), we know that the voltage
consists of two terms, the first t...[Details]
The swept frequency superheterodyne spectrum analyzer converts the input signal to the intermediate frequency (IF) through a mixer, and performs amplification, filtering and detection processing at...[Details]
When masters compete, the difference between victory and defeat is only a matter of millimeters. Whether it is sports competition, the "Cai Zhou" traffic data dispute, or the breakthroughs in the fie...[Details]
1 Overview
The DC-DC converter is the core component of the switching power supply, and the commonly used forward and flyback circuit topologies. The power processing circuit of the conventional f...[Details]
Recently, an interesting phenomenon in the automotive industry is that many car companies will place special emphasis on their own smart cockpit functions at new car launches. For example, Baidu an...[Details]
Home automation refers to the use of microprocessor technology to integrate or control home electronic and electrical products or systems, such as lighting, coffee makers, computer equipment, secur...[Details]
On May 16, Henrik Green, senior vice president of research and development at Volvo Car Group, said at the Vienna Automotive Seminar that Volvo will abandon the mechanical supercharging technology cu...[Details]
The 4-20mA digitally controlled current source circuit designed with DAC7644 (Burr-Brown Company's 16-bit four-voltage output D/A converter) is shown in Figure 1. The DAC7644 provides a different...[Details]